System and method of growing algae using geothermal gas

Pending Publication Date: 2022-10-13
VAXA TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method for growing algae in a cultivation container using a gas mixture containing CO2 and H2S. The method involves circulating the gas mixture in a closed loop through the container and measuring the amount of CO2 in the gas mixture. When the amount of CO2 drops below a certain level, an amount of the gas mixture is extracted from the container and an amount of CO2 is added to the gas mixture. The technical effect of this method is to provide a controlled and efficient way to grow algae using geothermal gas.

Problems solved by technology

H2S levels are significant because if H2S levels are too high this can cause death of the algae, hinder algae growth, and / or cause the algae to have a foul odor.

Method used

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  • System and method of growing algae using geothermal gas
  • System and method of growing algae using geothermal gas

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Embodiment Construction

[0023]In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.

[0024]Reference is now made to FIG. 1, which schematically illustrates an algae cultivation system 100, according to some embodiments of the invention. System 100 may include a cultivation container 110 having one or more entrance spargers 112 for introducing gas into an algae culture and water located inside cultivation container 110 and an exit pipe 114 for releasing gas from cultivation container 110. System 100 may further include a circulating system 120 that includes a pipe 122 and a pump 125 for circulating gas in closed loop form the exit pipe 114 back to ...

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Abstract

A method of growing algae in a cultivation container is disclosed. In some the method may include: circulating, via the cultivation container, in a closed loop, a first predetermined amount of gas mixture comprising a first type of gas and at least one second type of gas, the gas mixture may enter the container via one or more entrance spargers and exit via at least one exit pipe, the first type of gas may contain CO2 at a known first amount; receiving signal indicative of the amount of CO2 or H2S, in the gas mixture; when the signal indicates that the amount of CO2 drops below a first predetermined level or when the signal indicates that the amount of H2S rises above a first predetermined level, extracting a second predetermined amount of the gas mixture from the cultivation container: and adding an amount of the first type of gas to the gas mixture, equal to the second predetermined amount.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a Continuation-In-Part of prior U.S. application Ser. No. 16 / 761,665, entitled “SYSTEM AND METHOD OF GROWING ALGAE USING GEOTHERMAL GAS” which in turn is a National Phase Application of International Application No. PCT / IL2018 / 051177 filed on Nov. 5, 2018, which claims priority from U.S. Provisional Application No. 62 / 581,789, filed on Nov. 6, 2017, all of which being incorporated herein by reference in their entirety.TECHNICAL FIELD OF THE INVENTION[0002]The invention generally relates to the field of algae cultivation in artificial conditions and more precisely using geothermal gas a source for CO2 in algae cultivation.BACKGROUND OF THE INVENTION[0003]Bio-reactors for algae cultivation in artificial conditions has become increasingly common for producing biomass. Algae (or microalgae)-water culture is introduced into a container comprising water and supplied (e.g., fed) with small bubbles of gas that includes CO2 and...

Claims

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Application Information

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IPC IPC(8): A01G33/00C12N1/12C12M1/12C12M1/00
CPCA01G33/00C12N1/12C12M23/06C12M29/24C12M21/02C12M25/06C12M41/34
InventorBASHAN, OHADBERZIN, ISAACBASHAN, ODED
OwnerVAXA TECH LTD